/**
* So called "re-plant" operation: change node parent
*
* @param \Includes\DataStructure\Graph $oldParent Replant from
* @param \Includes\DataStructure\Graph $newParent Replant to
*
* @return void
*/
public function replant(\Includes\DataStructure\Graph $oldParent, \Includes\DataStructure\Graph $newParent)
{
$oldParent->removeChild($this);
$newParent->addChild($this);
}
/**
* Remove child node
*
* @param \Includes\DataStructure\Graph $node Node to remove
*
* @return void
*/
public function removeChild(\Includes\DataStructure\Graph $node)
{
foreach ($this->getChildren() as $index => $child) {
if ($node->getKey() === $child->getKey()) {
$node->setParent(null);
}
}
parent::removeChild($node);
}
/**
* So called "re-plant" operation: change node parent
*
* @param self $oldParent Replant from
* @param self $newParent Replant to
*
* @return void
*/
public function replant(self $oldParent, self $newParent)
{
$oldParent->removeChild($this);
$newParent->addChild($this);
}